Siemens A31432 fault code meaning
Siemens / A31432
Series: G120-CU250S-2, G130-G150
Encoder 1: Rotor position adaptation error
converter
Meaning: Pulses on signal A/B have been lost or counted multiple times. The compensation curve for these pulses is a straight line.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1516; SINAMICS G130_G150 P1814
Series: G210
Motor encoder: Rotor position adaptive correction error
converter
Meaning: Pulse loss or multiple counting has occurred on the A/B track. These pulses are being corrected.
Possible causes
Source: SINAMICS G210 converter P1254
Series: S110
Encoder 1: Rotor position adaptation error
servo drive
Meaning: Pulses on signal A/B have been lost or counted multiple times. The compensation curve for these pulses is a straight line.
Possible causes
Source: SINAMICS S110 P1130